Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit ca cham snippets" » "vit cau cham snippets", "vit va cham snippets", "vit co cham snippets", "viet ca cham snippets", "viet cau cham snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vit ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit ca cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit ca cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.